The hex color #42f47b is a light color. The web-safe version is Hex
#33FF66. A complementary color is
#BD0B84. The grayscale version is
#909090. A 20% lighter version of the original color is
#75FFAE, and Hex
#0FC148 is the 20% darker color. If the color is saturated by 10%, you get
#3AFE79. If the color is desaturated by 10%, the color
#4AEA7D is obtained.